# Learners’ errors in secondary algebra: Insights from tracking a cohort from Grade 9 to Grade 11 on a diagnostic algebra test

> Research article (Pythagoras, 2016) · cited 24× · AI/ML

**Wikidata**: [openalex:W2546085967](https://www.wikidata.org/wiki/openalex:W2546085967)  
**Source**: https://4ort.xyz/entity/learners-errors-in-secondary-algebra-insights-from-tracking-a-cohort-from-grade-9-to-grade-11-on-a-diagnostic-algebra-te